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Hi,

I'd like to use principal component analysis on a matrix and retrieve the scores.

I can use

matrixname.pcomp(eigval=v1, eigvec=m1)

to calculate the eigenvalues and eigenvectors, but there doesn't seem to be a command to calculate the scores -- although when I use the dialog box, I can store them in a series, so the capability is there.

Put differently, if my matrix were a group object, I'd use

groupname.makepcomp

and I'm assuming that there is a similar command for matrices, too?

Many thanks, Philipp

saves the first 3 scores in a matrix called myname.

The reason for the difference is that the matrices are not generally the same size as a workfile so that the scores can't be put into a set of series as in the group case. Thus, we allow you to save them into a matrix.

Gareth,

You made my day.

Philipp

PS I don't think it's in the manual -- if that's correct, it might be worth adding for the next iteration.

I believe you are correct. On both counts.